package com.atguigu.gulimall.cart.vo;

import lombok.Data;

import java.math.BigDecimal;
import java.util.List;

public class Cart {
    private List<CartItem> items;
    private Integer countNum;//商品数量
    private Integer countType;//商品类型数量
    private BigDecimal totalAmount;//所有商品总价
    private BigDecimal reduce= new BigDecimal(0); //减免价格

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if(items!=null&&items.size()>0){
            for (CartItem item : items) {
                count+=item.getCount();
            }
        }
        return count;
    }

    public Integer getCountType() {
        int count = 0;
        if(items!=null&&items.size()>0){
            for (CartItem item : items) {
                count+=1;
            }
        }
        return count;
    }


    public BigDecimal getTotalAmount() {
        //所有商品总价
        BigDecimal amount = new BigDecimal(0);
        if(items!=null&&items.size()>0){
            for (CartItem item : items) {
                if(item.getCheck()){
                    amount= amount.add(item.getTotalPrice());
                }
            }
        }
        // 2.减去优惠价
        BigDecimal subtract = amount.subtract(getReduce());
        return subtract;
    }


    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
